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xen-users
Re: [Xen-users] Provisioning SAN disk to domU's
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> How do I go about giving a domU access to SAN? Can we create SAN
> bridges like we can Ethernet bridges, and then define a virtual HBA in
> the domU? Can we hide the real HBA from dom0 and present it to domU,
> somehow? Is it even possible to do what I am asking? After days of
> Googling and reading various documentation, plus reading hundreds of
> possibly relevant emails in this list's archive, I have not found what
> I am looking for. I have more questions than answers.
If you want all of the i/o fencing capabilities (etc) of GFS, you'll
have to use the pciback/etc Xen stuff to give the HBA to the domU.
However, simply for GFS to work, I believe all you'd need to do is pass
the SAN LUN down to the domU via your Xen config (phy:/dev/sdX,...).
GFS works based on the fact that it's a SCSI disk, not so much on the
concept that it's "a SAN."
(Disclaimer: I haven't actually done this, it's just what seems
logical. :))
John
--
John Madden
Sr. UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden@xxxxxxxxxxx
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